$ A_{room} = \text{Room Length (ft)} \times \text{Room Width (ft)} $
$ A_{item} = \frac{\text{Item Length (in)}}{12} \times \frac{\text{Item Width (in)}}{12} $ $ A_{furn} = \sum A_{item} $
$ R_{occupancy} = \left( \frac{A_{furn}}{A_{room}} \right) \times 100\% $